Meaning of “attention deficit hyperactivity disorder” in the English Dictionary

british dictionary

"attention deficit hyperactivity disorder" in British English

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attention deficit hyperactivity disordernoun [ U ]

uk /əˌten.ʃən ˌdef.ɪ.sɪt haɪ.pər.ækˈtɪv.ə.ti dɪˌsɔː.dər/ us /əˌten.ʃən ˌdef.ɪ.sɪt haɪ.pɚ.ækˈtɪv.ə.t̬i dɪˌsɔːr.dɚ/ abbreviation ADHD UK

a condition in which someone, especially a child, is often in a state of activity or excitement and unable to direct their attention towards what they are doing

Note: This condition is usually called 'attention deficit disorder' in the US.

(Definition of “attention deficit hyperactivity disorder” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)